Full Stack Senior Java Developer

About this role

Attadale Partners, LLC is seeking to fill multiple Java Developer roles for experienced Senior Developers with 4-6 years of experience to join our team serving successful organizations and government agencies. As a management consulting firm, we are always looking for talented individuals to help improve our clients' business through technology. We have an opportunity to lead enterprise transformation roles including Agentic AI processes, cloud telephony, . In this role, you will be embedded in cross-functional teams with business leaders, senior engineers, and ML engineers to transform legacy business communications, data collection and analysis reporting. In addition, you will support the existing systems to ensure performance during the transition period.

This role can be remote and all applicants must be US based, and is open to applicants already with the authority to work in the US. Unfortunately for these roles, we cannot sponsor new or transfer existing H-1B work visas.

We are serve large commercial clients in the financial services and health care, assisting them to transform and modernize their business operations across three pillars: agentic AI workflows, Amazon Connect telephony automation, and expanded self-service for agents and customers. We practice Extreme Programming (XP) — pair programming, TDD, and continuous integration are how we work every day. This is a day-one contributor role; minimum ramp-up time is expected.

Requirements

CORE JAVA AND PLATFORM SKILLS:

• **Java 17 / 21 LTS (records, sealed classes, pattern matching) - Expert**
• **Spring Boot 3.x (auto-config, actuators, profiles, DI) - Expert**
• **Spring Security, OAuth2 / OIDC - Advanced**
• **Spring Data JPA / Hibernate (query tuning, N+1 awareness) - Advanced**
• **Reactive Programming — WebFlux / Project Reactor - Proficient**
• **REST API & OpenAPI 3.x design - Expert**
• **Unit & Integration Testing — JUnit 5, Mockito, TestContainers - Expert (TDD required)**
• *...